mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-18 17:00:49 +01:00
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/* number.h: Arbitrary precision numbers header file. */
|
|
|
|
/* This file is part of bc written for MINIX.
|
|
Copyright (C) 1991, 1992 Free Software Foundation, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License , or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
You may contact the author by:
|
|
e-mail: phil@cs.wwu.edu
|
|
us-mail: Philip A. Nelson
|
|
Computer Science Department, 9062
|
|
Western Washington University
|
|
Bellingham, WA 98226-9062
|
|
|
|
*************************************************************************/
|
|
|
|
|
|
typedef enum {PLUS, MINUS} sign;
|
|
|
|
typedef struct
|
|
{
|
|
sign n_sign;
|
|
int n_len; /* The number of digits before the decimal point. */
|
|
int n_scale; /* The number of digits after the decimal point. */
|
|
int n_refs; /* The number of pointers to this number. */
|
|
char n_value[1]; /* The storage. Not zero char terminated. It is
|
|
allocated with all other fields. */
|
|
} bc_struct;
|
|
|
|
typedef bc_struct *bc_num;
|
|
|
|
/* Some useful macros and constants. */
|
|
|
|
#define CH_VAL(c) (c - '0')
|
|
#define BCD_CHAR(d) (d + '0')
|
|
|
|
#ifdef MIN
|
|
#undef MIN
|
|
#undef MAX
|
|
#endif
|
|
#define MAX(a,b) (a>b?a:b)
|
|
#define MIN(a,b) (a>b?b:a)
|
|
#define ODD(a) (a&1)
|
|
|
|
#ifndef TRUE
|
|
#define TRUE 1
|
|
#define FALSE 0
|
|
#endif
|